package com.wkk.shiro;

import java.util.LinkedHashMap;
import java.util.Map;

import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.mgt.DefaultSecurityManager;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class ShiroCOnfig {
	@Bean
	public ShiroFilterFactoryBean shirFilter(DefaultSecurityManager securityManager) {
		ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
		shiroFilterFactoryBean.setSecurityManager(securityManager);
		// 拦截器.
		Map<String, String> filterChainDefinitionMap = new LinkedHashMap<String, String>();
		// 配置不会被拦截的链接 顺序判断
		filterChainDefinitionMap.put("/static/**", "anon");
		// 配置退出 过滤器,其中的具体的退出代码Shiro已经替我们实现了
		filterChainDefinitionMap.put("/logout", "logout");
		// <!-- 过滤链定义，从上向下顺序执行，一般将/**放在最为下边 -->:这是一个坑呢，一不小心代码就不好使了;
		// <!-- authc:所有url都必须认证通过才可以访问; anon:所有url都都可以匿名访问-->
		filterChainDefinitionMap.put("/user/**", "user");
		filterChainDefinitionMap.put("/logon", "anon");
		filterChainDefinitionMap.put("/**", "authc");

		// 如果不设置默认会自动寻找Web工程根目录下的"/login.jsp"页面
		shiroFilterFactoryBean.setLoginUrl("/login");
		// 登录成功后要跳转的链接
		shiroFilterFactoryBean.setSuccessUrl("/index");
		// 未授权界面;
		shiroFilterFactoryBean.setUnauthorizedUrl("/login");
		shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
		return shiroFilterFactoryBean;
	}

	@Bean
	public CustomRealm myShiroRealm() {
		CustomRealm myShiroRealm = new CustomRealm();
		HashedCredentialsMatcher matcher = new HashedCredentialsMatcher();// 解密对象
		matcher.setHashAlgorithmName("md5");// 设置解密方式
		matcher.setHashIterations(1);// 设置解密方式执行次数
		myShiroRealm.setCredentialsMatcher(matcher);// 将带有参数的解密对象加入自定义Realm
		return myShiroRealm;
	}

	@Bean
	public DefaultSecurityManager securityManager() {
		DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
		securityManager.setRealm(myShiroRealm());
		return securityManager;
	}
}
